Home / 15,407.80-23,163.26-12,160.04

Finding the Fourth Proportional to 15,407.80, 23,163.26 and 12,160.04

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Solution

The fourth proportional to 15,407.80, 23,163.26 and 12,160.04 is: 18,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.80 : 23,163.26 = 12,160.04 : x
  2. Step 2: Convert to fraction form
    15,407.80/23,163.26 = 12,160.04/x
  3. Step 3: Cross multiply
    15,407.80x = 23,163.26 × 12,160.04
  4. Step 4: Simplify right side
    15,407.80x = 281,666,168.13
  5. Step 5: Solve for x
    x = 281,666,168.13/15,407.80
  6. Step 6: Final answer
    x = 18,280.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.